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Offlinestartrek
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Does Substrate/Nutrition Affect Cap Shape (Cambodian)?
    #22049629 - 08/05/15 07:24 PM (8 years, 5 months ago)

Can the shape of cube caps be affected by the substrate one is using?

I am growing now, and have grown before, PF cakes (BRF and verm, DEC'd with verm) of Cambos, and the caps are ALWAYS round. I am also doing my first grow in a bulk tray (PF cakes spawned to composted cow manure, spent coffee grounds, a little gypsum, and verm), and ALL of the caps are pointy.

With the mix of genetics in a MS syringe, with all other things being equal, I would expect a mixture of round and pointy. But all other things are not equal: some are feeding on BRF, and some on manure/coffee. I conclude that the substrate must be affecting the shape of the caps, but I have not found any information online about the type of substrate or amount of nutrition having this effect.

Has anyone else seen this?


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OfflinePsilosoulful

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Re: Does Substrate/Nutrition Affect Cap Shape (Cambodian)? [Re: startrek]
    #22049679 - 08/05/15 07:31 PM (8 years, 5 months ago)

MS will always vary in the types of fruits you will see, but substrate has no effect on genetics.


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Offlinestartrek
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Re: Does Substrate/Nutrition Affect Cap Shape (Cambodian)? [Re: Psilosoulful]
    #22049737 - 08/05/15 07:38 PM (8 years, 5 months ago)

Of course substrate will not affect genetics, but something must be going on other than genetics, because, as I said, all of my cakes came from the same MS syringe, and two of those cakes were used as spawn in the bulk tray. So, of course there is a mix of genetics, but it is extraordinarily unlikely that ALL of the spores with pointy-tip genetics ended up in the two cakes that were used as spawn, and ALL of the spores with round-tip genetics ended up in the cakes that I'm fruiting as cakes. The odds against that happening are astronomical. There has to be another factor. I'm asking what that factor could possibly be.


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OfflinecronicrFacebook
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Re: Does Substrate/Nutrition Affect Cap Shape (Cambodian)? [Re: startrek]
    #22049955 - 08/05/15 08:20 PM (8 years, 5 months ago)

No it has nothing to do with the sub it's the conditions


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Offlinestartrek
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Re: Does Substrate/Nutrition Affect Cap Shape (Cambodian)? [Re: cronicr]
    #22050005 - 08/05/15 08:27 PM (8 years, 5 months ago)

Such as? :confused:

Some of the conditions are the same because they're in the same fruiting chamber. That eliminates temperature, humidity, and light as variables. The amount of moisture in the bulk tray is higher than in the cakes; does moisture level affect cap shape?

I hope to get an answer from someone who has observed this phenomenon in their own grows, please.


Edited by startrek (08/05/15 08:36 PM)


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OfflinecronicrFacebook
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Re: Does Substrate/Nutrition Affect Cap Shape (Cambodian)? [Re: startrek]
    #22050036 - 08/05/15 08:31 PM (8 years, 5 months ago)

fae/available moisture/temps any type of variable,also consider that by the time your sub is fruiting you really only have a couple strains there due to anastomosis, if you search up on tropic responses it will also shed some light on it


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Offlinestartrek
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Re: Does Substrate/Nutrition Affect Cap Shape (Cambodian)? [Re: cronicr]
    #22050086 - 08/05/15 08:38 PM (8 years, 5 months ago)

cronicr, thank you for elaborating on your earlier answer. Unfortunately I have searched for a bunch of keywords on this topic and can't find anything about factors affecting cap shape specifically.

But you bring up a really interesting point about anastomosis, though. That makes sense to me. I'll read up on it and see what else I can learn.


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